Palo Alto Networks Cybersecurity Entry-Level Technician (PCCET) — Question 49

In the Transport layer of the OSI model, what is a protocol data unit (PDU) called?

Answer options

• A. Frame
• B. Packet
• C. Datagram
• D. Bit

Correct answer: C

Explanation

The correct answer is C, Datagram, as it refers specifically to the PDU at the Transport layer. A Frame (A) is associated with the Data Link layer, while a Packet (B) is typically used in the Network layer, and a Bit (D) is a basic unit of data transmission, not specific to any layer.